/* * Mesa 3-D graphics library * Version: 7.5 * * Copyright (C) 2009 VMware, Inc. All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "main/compiler.h" #include "main/cpuinfo.h" /** * This function should be called before the various "cpu_has_foo" macros * are used. */ void _mesa_get_cpu_features(void) { #ifdef USE_X86_ASM _mesa_get_x86_features(); #endif } /** * Return a string describing the CPU architexture and extensions that * Mesa is using (such as SSE or Altivec). * \return information string, free it with free() */ char * _mesa_get_cpu_string(void) { #define MAX_STRING 50 char *buffer; buffer = malloc(MAX_STRING); if (!buffer) return NULL; buffer[0] = 0; #ifdef USE_X86_ASM if (_mesa_x86_cpu_features) { strcat(buffer, "x86"); } # ifdef USE_MMX_ASM if (cpu_has_mmx) { strcat(buffer, (cpu_has_mmxext) ? "/MMX+" : "/MMX"); } # endif # ifdef USE_3DNOW_ASM if (cpu_has_3dnow) { strcat(buffer, (cpu_has_3dnowext) ? "/3DNow!+" : "/3DNow!"); } # endif # ifdef USE_SSE_ASM if (cpu_has_xmm) { strcat(buffer, (cpu_has_xmm2) ? "/SSE2" : "/SSE"); } # endif #elif defined(USE_SPARC_ASM) strcat(buffer, "SPARC"); #endif assert(strlen(buffer) < MAX_STRING); return buffer; }